Patents by Inventor Kouiti Mochizuki

Kouiti Mochizuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Magnetic recording system
    Patent number: 4851288
    Abstract: A magnetic recording medium having a magnetic layer is disclosed, comprising co-absorbed .gamma.-iron oxide particles as ferromagnetic particles and binders, wherein coercive force of Hc of the magnetic recording medium is 850 Oe or more and the ratio of the coercive force Hc and saturated magnetic flux density Bm thereof is 0.5/l or less.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: July 25, 1989
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tadashi Ishikuro, Kouiti Mochizuki, Masaaki Fujiyama